99390150 has 72 divisors (see below), whose sum is σ = 273591864. Its totient is φ = 25852800.

The previous prime is 99390149. The next prime is 99390223. The reversal of 99390150 is 5109399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15757 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (3799887).

Almost surely, 2^99390150 is an apocalyptic number.

99390150 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99390150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136795932).

99390150 is an abundant number, since it is smaller than the sum of its proper divisors (174201714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99390150 is a wasteful number, since it uses less digits than its factorization.

99390150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446 (or 5438 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 99390150 is about 9969.4608680711. The cubic root of 99390150 is about 463.2134010906.

The spelling of 99390150 in words is "ninety-nine million, three hundred ninety thousand, one hundred fifty".